May weather forecastSierre, Switzerland
May
Weather in May
The last month of the spring, May, is a frosty month in Sierre, Switzerland, with an average temperature varying between 0.2°C (32.4°F) and 8.8°C (47.8°F).Temperature
With the onset of May, Sierre observes a minor temperature ascent, with the average high-temperature adjusting from April's wintry 4.8°C (40.6°F) to a chilly 8.8°C (47.8°F). Sierre experiences an average low-temperature of 0.2°C (32.4°F) in month of May.Humidity
In Sierre, the average relative humidity in May is 85%.Rainfall
The month with the most rainfall in Sierre is May, when the rain falls for 20.3 days and typically aggregates up to 126mm (4.96") of precipitation.Snowfall
Months with snowfall are January through December. In Sierre, in May, during 9.3 snowfall days, 306mm (12.05") of snow is typically accumulated. Throughout the year, in Sierre, there are 129 snowfall days, and 4010mm (157.87") of snow is accumulated.Daylight
In Sierre, Switzerland, the average length of the day in May is 15h and 0min.On the first day of May in Sierre, sunrise is at 06:15 and sunset at 20:38. On the last day of the month, sunrise is at 05:41 and sunset at 21:13 CEST.
Sunshine
The average sunshine in May in Sierre, Switzerland, is 8h.UV index
In May, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 3 in May, converts into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sierre, Switzerland
- Average high temperature in May: 8.8°C
The warmest month (with the highest average high temperature) is July (16.5°C).
The month with the lowest average high temperature is January (-2.6°C).
- Average low temperature in May: 0.2°C
The month with the highest average low temperature is August (6.4°C).
The coldest month (with the lowest average low temperature) is February (-11.3°C).
Average pressure in May
Sierre, Switzerland
- Average pressure in May: 1015.8mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in May
Sierre, Switzerland
- Average wind speed in May: 7.2km/h
The windiest month (with the highest average wind speed) is December (8.4km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in May
Sierre, Switzerland
- Average humidity in May: 85%
The month with the highest relative humidity is March (91%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in May
Sierre, Switzerland
- Average rainfall in May: 126mm
The wettest month (with the highest rainfall) is May (126mm).
The driest months (with the least rainfall) are September and October (54mm).
Average rainfall days in May
Sierre, Switzerland
- Average rainfall days in May: 20.3 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in May
Sierre, Switzerland
- Average snowfall in May: 306mm
The month with the highest snowfall is December (887mm).
The month with the least snowfall is July (5mm).
Average snowfall days in May
Sierre, Switzerland
- Average snowfall days in May: 9.3 days
The month with the highest number of snowfall days is March (21.1 days).
The month with the least snowfall days is August (0.4 days).
Average daylight in May /
Average sunshine in May
Sierre, Switzerland
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 8h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in May
Sierre, Switzerland
- Average sunshine days in May: 4.2 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is May (4.2 days).
Average UV index in May
Sierre, Switzerland
- Average UV index in May: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, March, April and November (UV index 1).
Average cloud cover in May
Sierre, Switzerland
- Average cloud cover in May: 54
The month with the most cloud cover is March (Cloud cover 56).
The month with the least cloud cover is October (Cloud cover 38).
Average visibility in May
Sierre, Switzerland
- Average visibility in May: 7km
The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).
